<!DOCTYPE html>
<html lang="en">

<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>note-code</title>
	<style>
		.container {
			width: 100px;
			height: 100px;
			background-color: skyblue;
		}
	</style>
</head>

<body>
	<div class="container">

	</div>
</body>

</html>